First Lady

Mary Lincoln

Vice President

Hannibal Hamlin (1861–1865)

Vice President

Andrew Johnson (1865)

Secretary of State

William H. Seward (1861–1865)

Secretary of the Interior

John P. Usher (1863–1865)

Secretary of the Interior

James Harlan (1865)

Secretary of the Interior

Caleb B. Smith (1861–1863)

Attorney General

Edward Bates (1861–1864)

Attorney General

James Speed (1864–1865)

Postmaster General

Montgomery Blair (1861–1864)

Postmaster General

William Dennison (1864–1865)

Secretary of the Treasury

Salmon P. Chase (1861–1864)

Secretary of the Treasury

William P. Fessenden (1864–1865)

Secretary of the Treasury

Hugh McCulloch (1865)

Secretary of the Navy

Gideon Welles (1861–1865)

Secretary of War

Simon Cameron (1861–1862)

Secretary of War

Edwin M. Stanton (1862–1865)